Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quem é o oponente na semana 2?
 ###Tabelas: CREATE TABLE borussia_mönchengladbach (borussia_mönchengladbach_id AUTO_INCREMENT PRIMARY KEY, Round VARCHAR, Opposition VARCHAR, First leg VARCHAR, Second leg VARCHAR, Aggregate score VARCHAR) CREATE TABLE lpga_tour_8 (lpga_tour_8_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Tournament VARCHAR, Winning score VARCHAR, Margin of victory VARCHAR, Runner(s)-up VARCHAR) CREATE TABLE schedule (schedule_id AUTO_INCREMENT PRIMARY KEY, Week INT, Date VARCHAR, Opponent VARCHAR, Result VARCHAR, Attendance VARCHAR) CREATE TABLE dvd_releases (dvd_releases_id AUTO_INCREMENT PRIMARY KEY, Volume VARCHAR, Discs INT, Episodes INT, Region 1 release VARCHAR, Region 2 release VARCHAR, Region 4 release VARCHAR) CREATE TABLE all-time_ranking_in_the_championship_playoff_since_the_introduction_of_the_playoff_system_in_2009 (all-time_ranking_in_the_championship_playoff_since_the_introduction_of_the_playoff_system_in_2009_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Club VARCHAR, Seasons INT, Played INT, Drew INT, Lost INT, Points INT, Avg. Points INT, Goals for INT, Goals against INT, Goal diff INT)  
SELECT Opponent FROM schedule WHERE Week = 2